Wireless communication method, terminal device, and network device

Abstract

Provided are a wireless communication method, a terminal device, and a network device. The method includes: transmitting, by a network device, first information to a terminal device in response to a PRS configuration being changed. The first information is used by the terminal device for determining an adjusted Measurement Gap (MG) related configuration.

What is claimed is: 
     
         1 . A wireless communication method, comprising:
 transmitting, by a network device, first information to a terminal device in response to a Positioning Reference Signal (PRS) configuration being changed, the first information being used by the terminal device for determining an adjusted Measurement Gap (MG) related configuration;   wherein the first information comprises an adjustment amount of the adjusted MG related configuration relative to an MG related configuration before adjustment;   wherein the first information comprises at least one of:   an adjustment amount of a configuration index corresponding to an adjusted MG pattern configuration relative to a configuration index corresponding to an MG pattern configuration before adjustment; or   an adjustment amount of a configuration index corresponding to an adjusted MG sharing mechanism configuration relative to a configuration index corresponding to an MG sharing mechanism configuration before adjustment.   
     
     
         2 . The method according to  claim 1 , wherein the PRS configuration comprises at least one of:
 whether a PRS is transmitted;   a number of frequency layers of the PRS;   a length of the PRS in each frequency layer;   a bandwidth of the PRS in each frequency layer;   a number of Transmission Reception Points (TRPs) transmitting the PRS in each frequency layer;   a transmission periodicity of the PRS;   a number of repetitions of the PRS; or   a number of symbols occupied by the PRS in each frequency layer, and/or   an MG related configuration comprises at least one of:   an MG pattern configuration;   an MG sharing mechanism configuration; or   a measurement priority configuration for a PRS in an MG.   
     
     
         3 . The method according to  claim 1 , wherein
 the first information is carried by a first signaling, wherein the first signaling is a feedback signaling of the network device for a first request transmitted by the terminal device, the first request being used for requesting an adjustment to the PRS configuration, or   the first information is carried by a second signaling, wherein the second signaling is a feedback signaling of the network device for a second request transmitted by the terminal device, the second request being used for requesting an adjustment to the PRS configuration and an MG related configuration, or   the first information is carried by a third signaling, the third signaling being used by the network device for adjusting the PRS configuration of the terminal device.   
     
     
         4 . The method according to  claim 1 , wherein the first information comprises at least one of:
 an adjustment amount corresponding to a periodicity of an MG in an MG pattern configuration;   an adjustment amount corresponding to a length of the MG in the MG pattern configuration;   an adjustment amount corresponding to a start position offset of the MG;   an adjustment amount of a parameter corresponding to an MG sharing mechanism configuration; or   an adjustment amount of a measurement priority of a PRS in the MG.   
     
     
         5 . The method according to  claim 1 , wherein the configuration index corresponding to the MG pattern configuration is used for indicating an order position of the MG pattern configuration in an MG pattern configuration sequence, the MG pattern configuration sequence being predefined or configured by the network device, and/or
 the configuration index corresponding to the MG sharing mechanism configuration is used for indicating an order position of the MG sharing mechanism configuration in an MG sharing mechanism configuration sequence, the MG sharing mechanism configuration sequence being predefined or configured by the network device.   
     
     
         6 . The method according to  claim 1 , further comprising:
 determining, by the network device based on an adjusted PRS configuration, a PRS transmission level corresponding to the adjusted PRS configuration; and   determining the first information based on the PRS transmission level corresponding to the adjusted PRS configuration.   
     
     
         7 . The method according to  claim 6 , wherein said determining the first information based on the PRS transmission level corresponding to the adjusted PRS configuration comprises:
 determining the first information based on the PRS transmission level corresponding to the adjusted PRS configuration and an association relationship between the PRS transmission level and the MG related configuration.   
     
     
         8 . The method according to  claim 7 , wherein the association relationship between the PRS transmission level and the MG related configuration comprises at least one of:
 an association relationship between the PRS transmission level and an MG pattern configuration;   an association relationship between the PRS transmission level and an MG sharing mechanism configuration; or   an association relationship between the PRS transmission level and a measurement priority of a PRS in an MG.   
     
     
         9 . The method according to  claim 1 , further comprising at least one of:
 transmitting, by the network device, first indication information to the terminal device, the first indication information being used for indicating whether the terminal device is allowed to adjust an MG related configuration based on a PRS transmission level,   receiving, by the network device, second indication information transmitted by the terminal device, the second indication information being used for indicating whether the terminal device is capable of adjusting an MG related configuration based on a PRS transmission level, or   transmitting, by the network device, third indication information to the terminal device, the third indication information being used for indicating a determination mode of a PRS transmission level.   
     
     
         10 . A network device, comprising a processor and a memory, wherein the memory is configured to store a computer program, and the processor is configured to invoke and execute the computer program stored in the memory to perform the method according to  claim 1 . 
     
     
         11 . A wireless communication method, comprising:
 receiving, by a terminal device, first information transmitted by a network device in response to a Positioning Reference Signal (PRS) configuration being changed, the first information being used by the terminal device for determining an adjusted Measurement Gap (MG) related configuration;   wherein the first information comprises an adjustment amount of the adjusted MG related configuration relative to an MG related configuration before adjustment;   wherein the first information comprises at least one of:   an adjustment amount of a configuration index corresponding to an adjusted MG pattern configuration relative to a configuration index corresponding to an MG pattern configuration before adjustment; or   an adjustment amount of a configuration index corresponding to an adjusted MG sharing mechanism configuration relative to a configuration index corresponding to an MG sharing mechanism configuration before adjustment.   
     
     
         12 . The method according to  claim 11 , wherein the first information comprises at least one of:
 an adjustment amount corresponding to a periodicity of an MG in an MG pattern configuration;   an adjustment amount corresponding to a length of the MG in the MG pattern configuration;   an adjustment amount corresponding to a start position offset of the MG;   an adjustment amount of a parameter corresponding to an MG sharing mechanism configuration; or   an adjustment amount of a measurement priority of a PRS in the MG.   
     
     
         13 . The method according to  claim 11 , wherein the configuration index corresponding to the MG pattern configuration is used for indicating an order position of the MG pattern configuration in an MG pattern configuration sequence, the MG pattern configuration sequence being predefined or configured by the network device, and/or
 the configuration index corresponding to the MG sharing mechanism configuration is used for indicating an order position of the MG sharing mechanism configuration in an MG sharing mechanism configuration sequence, the MG sharing mechanism configuration sequence being predefined or configured by the network device.   
     
     
         14 . The method according to  claim 11 , further comprising:
 measuring, by the terminal device, a PRS based on an adjusted measurement priority corresponding to a PRS.   
     
     
         15 . The method according to  claim 14 , wherein said measuring, by the terminal device, the PRS based on the adjusted measurement priority corresponding to the PRS comprises:
 measuring, by the terminal device, PRSs based on a measurement capability of the terminal device in a descending order of measurement priorities corresponding to the PRSs.   
     
     
         16 . The method according to  claim 15 , wherein said measuring, by the terminal device, the PRSs based on the measurement capability of the terminal device in accordance with the measurement priorities corresponding to the PRSs comprises:
 measuring, by the terminal device, no PRS with low measurement priority, when the terminal device is incapable of measuring all PRSs based on the measurement capability of the terminal device.   
     
     
         17 . The method according to  claim 11 , wherein the PRS configuration comprises at least one of:
 whether a PRS is transmitted;   a number of frequency layers of the PRS;   a length of the PRS in each frequency layer;   a bandwidth of the PRS in each frequency layer;   a number of Transmission Reception Points (TRPs) transmitting the PRS in each frequency layer;   a transmission periodicity of the PRS;   a number of repetitions of the PRS; or   a number of symbols occupied by the PRS in each frequency layer, and/or   an MG related configuration comprises at least one of:   an MG pattern configuration;   an MG sharing mechanism configuration; or   a measurement priority configuration for a PRS in an MG.   
     
     
         18 . The method according to  claim 11 , wherein an MG related configuration comprises at least one of:
 an MG pattern configuration;   an MG sharing mechanism configuration; or   a measurement priority configuration for a PRS in an MG.   
     
     
         19 . The method according to  claim 11 , wherein the first information is transmitted via at least one of:
 Radio Resource Control (RRC) signaling;   a Media Access Control Control Element (MAC CE); or   Downlink Control Information (DCI).   
     
     
         20 . The method according to  claim 11 , wherein
 the first information is carried by a first signaling, wherein the first signaling is a feedback signaling of the network device for a first request transmitted by the terminal device, the first request being used for requesting an adjustment to the PRS configuration, or   the first information is carried by a second signaling, wherein the second signaling is a feedback signaling of the network device for a second request transmitted by the terminal device, the second request being used for requesting an adjustment to the PRS configuration and an MG related configuration, or   the first information is carried by a third signaling, the third signaling being used by the network device for adjusting the PRS configuration of the terminal device.